#define _CRT_SECURE_NO_WARNINGS 1
#include<iostream>
namespace n
{
	int a = 0;
	int c = 9;
	int add(int left, int right)
	{
		return left + right;
	}
}
using namespace std;
using namespace n;

int main()
{
	int a, b;
	cin >> a;
	cin >> b;
	cout << "a:" << a << endl;
	cout << "b:" << b << endl;
	cout<<add(8, 9);
}
